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/**
* Test the log capturing capabilities of LogShake.jsm
*/
/* jshint moz: true */
/* global Components, LogCapture, LogShake, ok, add_test, run_next_test, dump */
/* exported run_test */
/* disable use strict warning */
/* jshint -W097 */
"use strict";
var Cu = Components.utils;
Cu.import("resource://gre/modules/LogCapture.jsm");
Cu.import("resource://gre/modules/LogShake.jsm");
const EVENTS_PER_SECOND = 6.25;
const GRAVITY = 9.8;
/**
* Force logshake to handle a device motion event with given components.
* Does not use SystemAppProxy because event needs special
* accelerationIncludingGravity property.
*/
function sendDeviceMotionEvent(x, y, z) {
let event = {
type: "devicemotion",
accelerationIncludingGravity: {
x: x,
y: y,
z: z
}
};
LogShake.handleEvent(event);
}
/**
* Send a screen change event directly, does not use SystemAppProxy due to race
* conditions.
*/
function sendScreenChangeEvent(screenEnabled) {
let event = {
type: "screenchange",
detail: {
screenEnabled: screenEnabled
}
};
LogShake.handleEvent(event);
}
/**
* Mock the readLogFile function of LogCapture.
* Used to detect whether LogShake activates.
* @return {Array<String>} Locations that LogShake tries to read
*/
function mockReadLogFile() {
let readLocations = [];
LogCapture.readLogFile = function(loc) {
readLocations.push(loc);
return null; // we don't want to provide invalid data to a parser
};
// Allow inspection of readLocations by caller
return readLocations;
}
/**
* Send a series of events that corresponds to a shake
*/
function sendSustainedShake() {
// Fire a series of devicemotion events that are of shake magnitude
for (let i = 0; i < 2 * EVENTS_PER_SECOND; i++) {
sendDeviceMotionEvent(0, 2 * GRAVITY, 2 * GRAVITY);
}
}
add_test(function test_do_log_capture_after_shaking() {
// Enable LogShake
LogShake.init();
let readLocations = mockReadLogFile();
sendSustainedShake();
ok(readLocations.length > 0,
"LogShake should attempt to read at least one log");
LogShake.uninit();
run_next_test();
});
add_test(function test_do_nothing_when_resting() {
// Enable LogShake
LogShake.init();
let readLocations = mockReadLogFile();
// Fire several devicemotion events that are relatively tiny
for (let i = 0; i < 2 * EVENTS_PER_SECOND; i++) {
sendDeviceMotionEvent(0, GRAVITY, GRAVITY);
}
ok(readLocations.length === 0,
"LogShake should not read any logs");
LogShake.uninit();
run_next_test();
});
add_test(function test_do_nothing_when_disabled() {
// Disable LogShake
LogShake.uninit();
let readLocations = mockReadLogFile();
// Fire a series of events that would normally be a shake
sendSustainedShake();
ok(readLocations.length === 0,
"LogShake should not read any logs");
run_next_test();
});
add_test(function test_do_nothing_when_screen_off() {
// Enable LogShake
LogShake.init();
// Send an event as if the screen has been turned off
sendScreenChangeEvent(false);
let readLocations = mockReadLogFile();
// Fire a series of events that would normally be a shake
sendSustainedShake();
ok(readLocations.length === 0,
"LogShake should not read any logs");
// Restore the screen
sendScreenChangeEvent(true);
LogShake.uninit();
run_next_test();
});
add_test(function test_do_log_capture_resilient_readLogFile() {
// Enable LogShake
LogShake.init();
let readLocations = [];
LogCapture.readLogFile = function(loc) {
readLocations.push(loc);
throw new Error("Exception during readLogFile for: " + loc);
};
// Fire a series of events that would normally be a shake
sendSustainedShake();
ok(readLocations.length > 0,
"LogShake should attempt to read at least one log");
LogShake.uninit();
run_next_test();
});
add_test(function test_do_log_capture_resilient_parseLog() {
// Enable LogShake
LogShake.init();
let readLocations = [];
LogCapture.readLogFile = function(loc) {
readLocations.push(loc);
LogShake.LOGS_WITH_PARSERS[loc] = function() {
throw new Error("Exception during LogParser for: " + loc);
};
return null;
};
// Fire a series of events that would normally be a shake
sendSustainedShake();
ok(readLocations.length > 0,
"LogShake should attempt to read at least one log");
LogShake.uninit();
run_next_test();
});
add_test(function test_do_nothing_when_dropped() {
// Enable LogShake
LogShake.init();
let readLocations = mockReadLogFile();
// We want a series of spikes to be ignored by LogShake. This roughly
// corresponds to the compare_stairs_sock graph on bug #1101994
for (let i = 0; i < 10 * EVENTS_PER_SECOND; i++) {
// Fire a devicemotion event that is at rest
sendDeviceMotionEvent(0, 0, GRAVITY);
// Fire a spike of motion
sendDeviceMotionEvent(0, 2 * GRAVITY, 2 * GRAVITY);
}
ok(readLocations.length === 0,
"LogShake should not read any logs");
LogShake.uninit();
run_next_test();
});
function run_test() {
run_next_test();
}
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